[llvm] [LLVM][CodeGen][SPIRV] Match NULL splat to OpConstantNull. (PR #201313)

[Vyacheslav Levytskyy via llvm-commits]

VyacheslavLevytskyy wrote:

> ping

My understanding is that @joaosaffran explained why HLSL would have problems with this PR and requested changes.

https://github.com/llvm/llvm-project/pull/201313